:root {
  --bg: #fdf8ee;
  --ink: #3a332b;
  --muted: #80776b;
  --mustard: #d9a441;
  --deep: #7a5a2b;
  --deep-dark: #634821;
  --line: #ecdfc6;
  --white: #fff;
  --max: 1080px;
  --gutter: 32px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 15px;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; text-align: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--deep); color: #fff; font-weight: 500;
  padding: 14px 32px; border-radius: 999px; transition: background .2s;
}
.btn:hover { background: var(--deep-dark); }
.btn--sm { padding: 8px 18px; font-size: 14px; }
.btn--block { display: flex; width: 100%; }
.btn--ghost { background: transparent; color: var(--ink); border: 2px solid var(--ink); padding: 10px 26px; }
.btn--ghost:hover { background: var(--white); }
.ext { font-size: .9em; }

/* ---------- ヘッダー ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(253, 248, 238, .95); backdrop-filter: blur(8px);
}
.header__inner {
  max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter);
  height: 76px; display: flex; align-items: center; gap: 28px;
}
.logo { font-family: "Kiwi Maru", serif; font-weight: 500; font-size: 22px; white-space: nowrap; }
.nav { display: flex; gap: 24px; margin-left: auto; font-size: 14px; color: var(--muted); }
.nav a:hover { color: var(--deep); }
.menu-btn { display: none; }

/* ---------- メイン写真 ---------- */
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding-top: 24px; }
.hero__img { height: 600px; border-radius: 200px 200px 12px 12px; overflow: hidden; }
.hero__img img { object-position: center 55%; }
.badge { display: inline-block; background: var(--mustard); color: #fff; font-size: 13px; padding: 2px 14px; border-radius: 999px; }
.hero h1 { font-family: "Kiwi Maru", serif; font-weight: 500; font-size: 44px; line-height: 1.5; margin-top: 16px; }
.hero__text p { margin-top: 16px; font-size: 16px; }
.hero__text .btn { margin-top: 28px; }
.hero__text small { display: block; color: var(--muted); font-size: 12px; margin-top: 8px; }

/* ---------- 基本情報 ---------- */
.facts {
  list-style: none; margin-top: 56px;
  display: grid; grid-template-columns: repeat(6, 1fr);
  background: var(--white); border-radius: 12px;
}
.facts li { padding: 16px; text-align: center; font-size: 13px; color: var(--muted); line-height: 1.6; }
.facts b { display: block; font-family: "Kiwi Maru", serif; font-size: 19px; color: var(--ink); font-weight: 500; }

/* ---------- セクション共通 ---------- */
.section { margin-top: 110px; }
.sec-head { text-align: center; margin-bottom: 40px; }
.sec-head small { color: var(--deep); font-size: 13px; letter-spacing: .15em; }
.sec-head h2 { font-family: "Kiwi Maru", serif; font-weight: 500; font-size: 32px; line-height: 1.4; }
.note { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* ---------- 猫スタッフ ---------- */
.staff { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.card { background: var(--white); border-radius: 14px; border: 2px solid var(--ink); overflow: hidden; position: relative; }
/* 名札のストラップ穴 */
.card::before {
  content: ""; position: absolute; top: 12px; left: 50%; width: 56px; height: 10px; margin-left: -28px;
  border-radius: 6px; background: var(--bg); border: 2px solid var(--ink);
}
.card__top { background: var(--mustard); color: #fff; text-align: center; padding: 34px 0 10px; font-size: 13px; letter-spacing: .3em; }
.card__in { display: grid; grid-template-columns: 170px 1fr; gap: 24px; padding: 26px; }
.card__ph { height: 200px; border-radius: 8px; overflow: hidden; }
.card__ph img { object-position: center 20%; }
.card h3 { font-family: "Kiwi Maru", serif; font-size: 34px; font-weight: 500; line-height: 1.2; }
.card h3 small { font-size: 14px; color: var(--muted); margin-left: 6px; }
.card dl { display: grid; grid-template-columns: 4em 1fr; font-size: 14px; margin-top: 10px; row-gap: 4px; }
.card dt { color: var(--deep); }
.card__msg { border-top: 1px dashed var(--line); margin: 0 26px; padding: 16px 0 22px; font-size: 14px; }
.rules { margin-top: 36px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.rules div { background: var(--white); border-radius: 12px; padding: 20px 22px; font-size: 14px; }
.rules b { font-family: "Kiwi Maru", serif; font-weight: 500; font-size: 17px; display: block; color: var(--deep); }

/* ---------- お部屋の写真 ---------- */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery__item { display: block; }
.gallery__item .ph { display: block; position: relative; height: 200px; border-radius: 12px; overflow: hidden; }
.gallery__item img { transition: transform .4s; }
.gallery__item:hover img { transform: scale(1.04); }
.gallery__item--main { grid-column: span 2; grid-row: span 2; }
.gallery__item--main .ph { height: 442px; }
.gallery__item .cap { display: block; font-size: 13px; color: var(--muted); margin-top: 6px; }
.gallery__more {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: rgba(58, 51, 43, .5); color: #fff; font-size: 22px; font-weight: 700;
}
.gallery__all { margin-top: 20px; }

/* ---------- 設備 ---------- */
.amenities { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.amenities li { background: var(--white); border-radius: 999px; padding: 6px 16px; font-size: 14px; }
/* ---------- 山あそび ---------- */
.mountain {
  display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
  background: var(--white); border-radius: 16px; overflow: hidden;
}
.mountain__img { height: 380px; }
.mountain__body { padding-right: 40px; }
.mountain h3 { font-family: "Kiwi Maru", serif; font-weight: 500; font-size: 26px; margin-bottom: 8px; }
.mountain h4 { color: var(--deep); font-size: 14px; margin-top: 14px; }

/* ---------- アクセス ---------- */
.access { display: grid; grid-template-columns: 1.2fr 1fr; gap: 36px; }
.map { width: 100%; height: 320px; border: 0; border-radius: 14px; }
.access__info { display: grid; grid-template-columns: 8em 1fr; row-gap: 6px; }
.access__info dt { color: var(--muted); }
.map-link { display: inline-block; margin-top: 12px; color: var(--deep); font-weight: 700; text-decoration: underline; }

/* ---------- よくある質問 ---------- */
.faq { max-width: 760px; margin: 0 auto; }
.faq details { background: var(--white); border-radius: 12px; margin-bottom: 10px; }
.faq summary {
  list-style: none; cursor: pointer; padding: 14px 52px 14px 22px; font-weight: 700; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 22px; top: 12px; font-size: 22px; line-height: 1.4; color: var(--deep); }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 22px 16px; color: #5f574c; font-size: 14px; }

/* ---------- 予約への案内 ---------- */
.end { margin-top: 110px; text-align: center; }
.end__ph { width: 220px; height: 220px; border-radius: 50%; overflow: hidden; margin: 0 auto 20px; }
.end__ph img { object-position: center 60%; }
.end__lead { font-family: "Kiwi Maru", serif; font-size: 26px; }
.end .note { margin-top: 4px; }
.end .btn { margin-top: 20px; }
.line-cta { margin-top: 40px; padding-top: 28px; border-top: 1px dashed var(--line); font-size: 14px; color: var(--muted); }
.line-cta[hidden] { display: none; }
.end .btn--line { margin-top: 12px; background: #06c755; padding: 10px 26px; font-size: 14px; }
.end .btn--line:hover { background: #05a647; }

/* ---------- フッター ---------- */
.footer {
  margin-top: 80px; border-top: 1px solid var(--line);
  padding: 28px max(var(--gutter), calc((100% - var(--max)) / 2 + var(--gutter)));
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer__links { display: flex; gap: 24px; font-size: 14px; }
.footer__links a[hidden] { display: none; }
.footer__links a:hover { color: var(--deep); }
.footer small { color: var(--muted); }
.sticky-cta { display: none; }

/* ---------- 写真の拡大表示 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.92);
  display: flex; align-items: center; justify-content: center; gap: 16px; padding: 24px;
}
.lightbox[hidden] { display: none; }
.lightbox figure { max-width: min(1100px, 100%); text-align: center; }
.lightbox img { width: auto; height: auto; max-width: 100%; max-height: 80vh; object-fit: contain; margin: 0 auto; border-radius: 6px; }
.lightbox figcaption { color: #ddd; margin-top: 12px; font-size: 14px; }
.lightbox__close { position: absolute; top: 12px; right: 20px; color: #fff; font-size: 36px; line-height: 1; }
.lightbox__nav {
  color: #fff; font-size: 40px; width: 52px; height: 52px; border-radius: 50%;
  background: rgba(255,255,255,.12); flex-shrink: 0; line-height: 1; text-align: center;
}
.lightbox__nav:hover { background: rgba(255,255,255,.25); }

/* ================= タブレット ================= */
@media (max-width: 900px) {
  .hero { gap: 32px; }
  .hero__img { height: 480px; }
  .hero h1 { font-size: 34px; }
  .facts { grid-template-columns: repeat(3, 1fr); }
  .card__in { grid-template-columns: 120px 1fr; gap: 16px; padding: 20px; }
  .card__ph { height: 150px; }
  .card h3 { font-size: 28px; }
  .access { grid-template-columns: 1fr; }
}

/* ================= スマートフォン ================= */
@media (max-width: 720px) {
  :root { --gutter: 18px; }
  .header__inner { height: 60px; gap: 12px; }
  .logo { font-size: 19px; }
  .header .btn--sm { display: none; }
  .menu-btn {
    display: block; margin-left: auto; width: 40px; height: 40px; position: relative;
  }
  .menu-btn span, .menu-btn span::before, .menu-btn span::after {
    position: absolute; left: 9px; width: 22px; height: 2px; background: var(--ink); content: ""; transition: .2s;
  }
  .menu-btn span { top: 19px; }
  .menu-btn span::before { left: 0; top: -7px; }
  .menu-btn span::after { left: 0; top: 7px; }
  .menu-btn[aria-expanded="true"] span { background: transparent; }
  .menu-btn[aria-expanded="true"] span::before { top: 0; transform: rotate(45deg); }
  .menu-btn[aria-expanded="true"] span::after { top: 0; transform: rotate(-45deg); }
  .nav {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: var(--bg); flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); color: var(--ink);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 14px var(--gutter); border-top: 1px solid var(--line); }

  /* 最初の画面でキャッチコピーと説明文まで見えるよう、写真の高さを画面に合わせる */
  .hero { grid-template-columns: 1fr; gap: 16px; padding-top: 8px; }
  .hero__img { height: clamp(200px, calc(100vh - 480px), 360px); height: clamp(200px, calc(100svh - 480px), 360px); border-radius: 140px 140px 12px 12px; }
  .hero__img img { object-position: center 30%; }
  .hero h1 { font-size: 26px; line-height: 1.45; margin-top: 10px; }
  .hero__text p { margin-top: 10px; font-size: 15px; line-height: 1.8; }
  .hero__text .btn { margin-top: 20px; }

  .facts { grid-template-columns: 1fr 1fr; }

  .section { margin-top: 72px; }
  .sec-head { margin-bottom: 28px; }
  .sec-head h2 { font-size: 25px; }
  .staff, .rules, .mountain { grid-template-columns: 1fr; }
  .staff { gap: 28px; }
  .rules { gap: 12px; }

  .gallery { grid-template-columns: 1fr 1fr; gap: 12px; }
  .gallery__item .ph { height: 130px; }
  .gallery__item--main { grid-row: auto; }
  .gallery__item--main .ph { height: 240px; }
  .gallery__all { width: 100%; }

  .mountain { gap: 20px; }
  .mountain__img { height: 240px; }
  .mountain__body { padding: 0 20px 24px; }

  .end__lead { font-size: 21px; }
  .footer { flex-direction: column; text-align: center; padding-bottom: 100px; }

  .sticky-cta {
    display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom));
    background: rgba(253, 248, 238, .96); border-top: 1px solid var(--line);
  }
  .lightbox { padding: 12px; gap: 0; }
  .lightbox__nav { position: absolute; bottom: 24px; }
  .lightbox__prev { left: calc(50% - 64px); }
  .lightbox__next { right: calc(50% - 64px); }
}